The best way to destroy an enemy is to make him a friend.
I've always found the second book in a series is the hardest to write.
All achievement, all earned riches, have their beginning in an idea.
The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.
If you think your teacher is tough, wait until you get a boss. He doesn't have tenure.
Good actions give strength to ourselves and inspire good actions in others.
Please all, and you will please none.
A good objective of leadership is to help those who are doing poorly to do well and to help those who are doing well to do even better.
No man can taste the fruits of autumn while he is delighting his scent with the flowers of spring.
I`d like to live as a poor man with lots of money.
The majority of people who fail to accumulate money sufficient for their needs are, generally, easily influenced by the opinion of others.
There is nothing more difficult to carry out, nor more doubtful of success, nor more dangerous to handle, that to institute a new order of things
One of the main weaknesses of mankind is the average man's familiarity with the word 'impossible'.
The successful leader must be willing to assume responsibility for the mistakes and the shortcomings of his followers.
There is but one dependable method of accumulating and legally holding riches, and that is by rendering useful service.
Success is steady progress toward one's personal goals
I do know that when I am 60, I should be attempting to achieve different personal goals than those which had priority at age 20.
Earning happiness means doing good and working, not speculating and being lazy. Laziness may look inviting, but only work gives you true satisfaction.
Take time to deliberate, but when the time for action comes, stop thinking and go in.
Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work.
The world does not pay men for that which they 'know'. It pays them for what they do, or induce others to do.